/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.wasp.messagequeue;

import com.alibaba.wasp.EntityGroupInfo;
import com.alibaba.wasp.storage.StorageActionManager;

import java.io.IOException;

public class Publisher implements MessageQueue<MessageID> {
  private final EntityGroupInfo entityGroupInfo;

  private final MessageQueueClient client;

  /**
   * @param info
   */
  public Publisher(EntityGroupInfo entityGroupInfo, StorageActionManager action) {
    super();
    this.entityGroupInfo = entityGroupInfo;
    this.client = new MessageQueueClient(this.entityGroupInfo, action);
  }

  /**
   * @return the entityGroupInfo
   */
  public EntityGroupInfo getEntityGroupInfo() {
    return entityGroupInfo;
  }

  @Override
  public MessageID doAsynchronous(Message message) throws IOException {
    return client.send(message);
  }

  /**
   * delete message.
   * 
   * @param messageId
   * @return
   */
  public boolean delete(MessageID messageId) {
    try {
      client.deleteMessage(messageId);
    } catch (IOException e) {
      return false;
    }
    return true;
  }

  /**
   * commit message.
   * 
   * @param messageId
   * @return
   */
  public boolean commit(MessageID messageId) {
    try {
      client.commitMessage(messageId);
    } catch (IOException e) {
      return false;
    }
    return true;
  }
}